document.write( "Question 445977: Today Justin reached 1/11 the age his mother was when he was born. Today, Justin's mother is ____ times as old as Justin.
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Algebra.Com's Answer #307265 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Today Justin reached 1/11 the age his mother was when he was born. \n" ); document.write( ": \n" ); document.write( "Let x = mother's present age \n" ); document.write( "Let y = Justin's present age \n" ); document.write( "then \n" ); document.write( "(x-y) = Mother's age when J was born \n" ); document.write( ": \n" ); document.write( "y = \n" ); document.write( "multiply both sides by 11 \n" ); document.write( "11y = x - y \n" ); document.write( "11y + y = x \n" ); document.write( "12y = x \n" ); document.write( "therefore \n" ); document.write( "\"Today, Justin's mother is _12_ times as old as Justin. \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Let's see if that will work with real numbers \n" ); document.write( "Let J be 4 yrs old, then Mom is 12*4 which is 48 \n" ); document.write( "4 yrs ago Mom was 44 which is 11 times J's present age \n" ); document.write( " |